Chester climate

Chester Weather in June

NOAA 1991-2020 normals for Kaskaskia Rvr Navigation Lock, 13.4 km from Chester

Average highs run from 82°F on June 1 to 89°F on June 30, and lows from 60°F to 68°F. Normal precipitation for the month is 4.14 in over about 8 wet days.

June day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chester, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

June at a glance

Average high
86°F
Average low
64°F
Precipitation
4.14 in
Record high
109°FJun 29, 2012
Record low
44°FJun 10, 1988
Chance of a freeze
0%
Days of 90°F or more
12.5
Daylight
14 h 37 min to 14 h 46 min
Cloud cover
55%
Humidity
78%
Dew point
66°F
Wind
6.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Jun 182°F60°F96°F 198846°F 198431%0%
Jun 283°F61°F98°F 198848°F 201231%0%
Jun 383°F61°F97°F 199852°F 198231%0%
Jun 483°F61°F95°F 199145°F 199030%0%
Jun 583°F62°F99°F 201145°F 198830%0%
Jun 684°F62°F97°F 197748°F 200030%0%
Jun 784°F62°F97°F 201148°F 200030%0%
Jun 884°F63°F101°F 198849°F 200029%0%
Jun 985°F63°F97°F 199045°F 201929%0%
Jun 1085°F63°F97°F 198544°F 198829%0%
Jun 1185°F63°F97°F 199844°F 198829%0%
Jun 1285°F64°F98°F 197748°F 198829%0%
Jun 1386°F64°F99°F 200153°F 198028%0%
Jun 1486°F64°F102°F 198752°F 201428%0%
Jun 1586°F64°F105°F 198754°F 198528%0%
Jun 1686°F65°F101°F 198848°F 198928%0%
Jun 1787°F65°F101°F 201650°F 198028%0%
Jun 1887°F65°F99°F 198452°F 199928%0%
Jun 1987°F65°F98°F 200152°F 199927%0%
Jun 2087°F66°F102°F 198851°F 198027%0%
Jun 2187°F66°F103°F 198850°F 199227%0%
Jun 2288°F66°F102°F 198845°F 199227%0%
Jun 2388°F66°F104°F 198847°F 199227%0%
Jun 2488°F67°F105°F 198852°F 200426%0%
Jun 2588°F67°F105°F 198851°F 197426%0%
Jun 2688°F67°F104°F 198852°F 197426%0%
Jun 2788°F67°F99°F 201052°F 200426%0%
Jun 2888°F67°F100°F 198553°F 198826%0%
Jun 2988°F67°F109°F 201256°F 198526%0%
Jun 3089°F68°F107°F 201257°F 198426%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chester, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

June 1
sunrise 5:39 AM, sunset 8:16 PM
June 30
sunrise 5:40 AM, sunset 8:26 PM

Every day of June: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00114629 (Kaskaskia Rvr Navigation Lock), public domain. Records: NOAA GHCN-Daily, station USC00114629, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.